fix(playback): manage playback state on activity lifecycle events

app/src/main/java/hu/bbara/purefin/player/PlayerActivity.kt

@@ -4,6 +4,7 @@ import android.os.Bundle
 import android.view.WindowManager
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
+import androidx.activity.viewModels
 import androidx.compose.runtime.LaunchedEffect
 import androidx.core.view.WindowCompat
 import androidx.core.view.WindowInsetsCompat
@@ -17,6 +18,8 @@ import hu.bbara.purefin.ui.theme.AppTheme
 
 @AndroidEntryPoint
 class PlayerActivity : ComponentActivity() {
+    private val viewModel: PlayerViewModel by viewModels()
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
@@ -43,6 +46,16 @@ class PlayerActivity : ComponentActivity() {
         }
     }
 
+    override fun onPause() {
+        super.onPause()
+        viewModel.pausePlayback()
+    }
+
+    override fun onResume() {
+        super.onResume()
+        enterImmersiveMode()
+    }
+
     private fun enterImmersiveMode() {
         WindowCompat.setDecorFitsSystemWindows(window, false)
         WindowInsetsControllerCompat(window, window.decorView).apply {

app/src/main/java/hu/bbara/purefin/ui/screen/player/PlayerScreen.kt

@@ -36,8 +36,6 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.viewinterop.AndroidView
-import androidx.lifecycle.Lifecycle
-import androidx.lifecycle.compose.LifecycleEventEffect
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.media3.common.util.UnstableApi
 import androidx.media3.ui.AspectRatioFrameLayout
@@ -84,10 +82,6 @@ fun PlayerScreen(
     var horizontalSeekPreviewPositionMs by remember { mutableStateOf<Long?>(null) }
     val overlayController = rememberPersistentOverlayController()
 
-    LifecycleEventEffect(Lifecycle.Event.ON_STOP) {
-        viewModel.pausePlayback()
-    }
-
     LaunchedEffect(uiState.isPlaying) {
         if (uiState.isPlaying) {
             showQueuePanel = false
@@ -116,6 +110,9 @@ fun PlayerScreen(
                     subtitleView?.setBottomPaddingFraction(subtitleBottomPaddingFraction)
                 }
             },
+            onRelease = { playerView ->
+                playerView.player = null
+            },
             modifier = Modifier
                 .fillMaxHeight()
                 .align(Alignment.Center)